1 /*- 2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/module.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/ata.h> 36 #include <sys/bus.h> 37 #include <sys/endian.h> 38 #include <sys/malloc.h> 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <sys/sema.h> 42 #include <sys/taskqueue.h> 43 #include <vm/uma.h> 44 #include <machine/stdarg.h> 45 #include <machine/resource.h> 46 #include <machine/bus.h> 47 #include <sys/rman.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcireg.h> 50 #include <dev/ata/ata-all.h> 51 #include <dev/ata/ata-pci.h> 52 #include <ata_if.h> 53 54 /* local prototypes */ 55 static int ata_cmd_ch_attach(device_t dev); 56 static int ata_cmd_status(device_t dev); 57 static int ata_cmd_setmode(device_t dev, int target, int mode); 58 static int ata_sii_ch_attach(device_t dev); 59 static int ata_sii_ch_detach(device_t dev); 60 static int ata_sii_status(device_t dev); 61 static void ata_sii_reset(device_t dev); 62 static int ata_sii_setmode(device_t dev, int target, int mode); 63 static int ata_siiprb_ch_attach(device_t dev); 64 static int ata_siiprb_ch_detach(device_t dev); 65 static int ata_siiprb_status(device_t dev); 66 static int ata_siiprb_begin_transaction(struct ata_request *request); 67 static int ata_siiprb_end_transaction(struct ata_request *request); 68 static int ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result); 69 static int ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t result); 70 static u_int32_t ata_siiprb_softreset(device_t dev, int port); 71 static void ata_siiprb_reset(device_t dev); 72 static void ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 73 static void ata_siiprb_dmainit(device_t dev); 74 75 /* misc defines */ 76 #define SII_MEMIO 1 77 #define SII_PRBIO 2 78 #define SII_INTR 0x01 79 #define SII_SETCLK 0x02 80 #define SII_BUG 0x04 81 #define SII_4CH 0x08 82 83 84 /* 85 * Silicon Image Inc. (SiI) (former CMD) chipset support functions 86 */ 87 static int 88 ata_sii_probe(device_t dev) 89 { 90 struct ata_pci_controller *ctlr = device_get_softc(dev); 91 static struct ata_chip_id ids[] = 92 {{ ATA_SII3114, 0x00, SII_MEMIO, SII_4CH, ATA_SA150, "3114" }, 93 { ATA_SII3512, 0x02, SII_MEMIO, 0, ATA_SA150, "3512" }, 94 { ATA_SII3112, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" }, 95 { ATA_SII3112_1, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" }, 96 { ATA_SII3512, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3512" }, 97 { ATA_SII3112, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" }, 98 { ATA_SII3112_1, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" }, 99 { ATA_SII3124, 0x00, SII_PRBIO, SII_4CH, ATA_SA300, "3124" }, 100 { ATA_SII3132, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" }, 101 { ATA_SII3132_1, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" }, 102 { ATA_SII3132_2, 0x00, SII_PRBIO, 0, ATA_SA300, "3132" }, 103 { ATA_SII0680, 0x00, SII_MEMIO, SII_SETCLK, ATA_UDMA6, "680" }, 104 { ATA_CMD649, 0x00, 0, SII_INTR, ATA_UDMA5, "(CMD) 649" }, 105 { ATA_CMD648, 0x00, 0, SII_INTR, ATA_UDMA4, "(CMD) 648" }, 106 { ATA_CMD646, 0x07, 0, 0, ATA_UDMA2, "(CMD) 646U2" }, 107 { ATA_CMD646, 0x00, 0, 0, ATA_WDMA2, "(CMD) 646" }, 108 { 0, 0, 0, 0, 0, 0}}; 109 110 if (pci_get_vendor(dev) != ATA_SILICON_IMAGE_ID) 111 return ENXIO; 112 113 if (!(ctlr->chip = ata_match_chip(dev, ids))) 114 return ENXIO; 115 116 ata_set_desc(dev); 117 ctlr->chipinit = ata_sii_chipinit; 118 return (BUS_PROBE_DEFAULT); 119 } 120 121 int 122 ata_sii_chipinit(device_t dev) 123 { 124 struct ata_pci_controller *ctlr = device_get_softc(dev); 125 126 if (ata_setup_interrupt(dev, ata_generic_intr)) 127 return ENXIO; 128 129 switch (ctlr->chip->cfg1) { 130 case SII_PRBIO: 131 ctlr->r_type1 = SYS_RES_MEMORY; 132 ctlr->r_rid1 = PCIR_BAR(0); 133 if (!(ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, 134 &ctlr->r_rid1, RF_ACTIVE))) 135 return ENXIO; 136 137 ctlr->r_rid2 = PCIR_BAR(2); 138 ctlr->r_type2 = SYS_RES_MEMORY; 139 if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, 140 &ctlr->r_rid2, RF_ACTIVE))){ 141 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,ctlr->r_res1); 142 return ENXIO; 143 } 144 ctlr->ch_attach = ata_siiprb_ch_attach; 145 ctlr->ch_detach = ata_siiprb_ch_detach; 146 ctlr->reset = ata_siiprb_reset; 147 ctlr->setmode = ata_sata_setmode; 148 ctlr->getrev = ata_sata_getrev; 149 ctlr->channels = (ctlr->chip->cfg2 == SII_4CH) ? 4 : 2; 150 151 /* reset controller */ 152 ATA_OUTL(ctlr->r_res1, 0x0040, 0x80000000); 153 DELAY(10000); 154 ATA_OUTL(ctlr->r_res1, 0x0040, 0x0000000f); 155 break; 156 157 case SII_MEMIO: 158 ctlr->r_type2 = SYS_RES_MEMORY; 159 ctlr->r_rid2 = PCIR_BAR(5); 160 if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, 161 &ctlr->r_rid2, RF_ACTIVE))){ 162 if (ctlr->chip->chipid != ATA_SII0680 || 163 (pci_read_config(dev, 0x8a, 1) & 1)) 164 return ENXIO; 165 } 166 167 if (ctlr->chip->cfg2 & SII_SETCLK) { 168 if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) 169 pci_write_config(dev, 0x8a, 170 (pci_read_config(dev, 0x8a, 1) & 0xcf)|0x10,1); 171 if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) 172 device_printf(dev, "%s could not set ATA133 clock\n", 173 ctlr->chip->text); 174 } 175 176 /* if we have 4 channels enable the second set */ 177 if (ctlr->chip->cfg2 & SII_4CH) { 178 ATA_OUTL(ctlr->r_res2, 0x0200, 0x00000002); 179 ctlr->channels = 4; 180 } 181 182 /* dont block interrupts from any channel */ 183 pci_write_config(dev, 0x48, 184 (pci_read_config(dev, 0x48, 4) & ~0x03c00000), 4); 185 186 /* enable PCI interrupt as BIOS might not */ 187 pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0x3f), 1); 188 189 if (ctlr->r_res2) { 190 ctlr->ch_attach = ata_sii_ch_attach; 191 ctlr->ch_detach = ata_sii_ch_detach; 192 } 193 194 if (ctlr->chip->max_dma >= ATA_SA150) { 195 ctlr->reset = ata_sii_reset; 196 ctlr->setmode = ata_sata_setmode; 197 ctlr->getrev = ata_sata_getrev; 198 } 199 else 200 ctlr->setmode = ata_sii_setmode; 201 break; 202 203 default: 204 if ((pci_read_config(dev, 0x51, 1) & 0x08) != 0x08) { 205 device_printf(dev, "HW has secondary channel disabled\n"); 206 ctlr->channels = 1; 207 } 208 209 /* enable interrupt as BIOS might not */ 210 pci_write_config(dev, 0x71, 0x01, 1); 211 212 ctlr->ch_attach = ata_cmd_ch_attach; 213 ctlr->ch_detach = ata_pci_ch_detach; 214 ctlr->setmode = ata_cmd_setmode; 215 break; 216 } 217 return 0; 218 } 219 220 static int 221 ata_cmd_ch_attach(device_t dev) 222 { 223 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 224 struct ata_channel *ch = device_get_softc(dev); 225 226 /* setup the usual register normal pci style */ 227 if (ata_pci_ch_attach(dev)) 228 return ENXIO; 229 230 if (ctlr->chip->cfg2 & SII_INTR) 231 ch->hw.status = ata_cmd_status; 232 233 return 0; 234 } 235 236 static int 237 ata_cmd_status(device_t dev) 238 { 239 struct ata_channel *ch = device_get_softc(dev); 240 u_int8_t reg71; 241 242 if (((reg71 = pci_read_config(device_get_parent(dev), 0x71, 1)) & 243 (ch->unit ? 0x08 : 0x04))) { 244 pci_write_config(device_get_parent(dev), 0x71, 245 reg71 & ~(ch->unit ? 0x04 : 0x08), 1); 246 return ata_pci_status(dev); 247 } 248 return 0; 249 } 250 251 static int 252 ata_cmd_setmode(device_t dev, int target, int mode) 253 { 254 device_t parent = device_get_parent(dev); 255 struct ata_pci_controller *ctlr = device_get_softc(parent); 256 struct ata_channel *ch = device_get_softc(dev); 257 int devno = (ch->unit << 1) + target; 258 int treg = 0x54 + ((devno < 3) ? (devno << 1) : 7); 259 int ureg = ch->unit ? 0x7b : 0x73; 260 int piomode; 261 uint8_t piotimings[] = { 0xa9, 0x57, 0x44, 0x32, 0x3f, 0x87, 0x32, 0x3f }; 262 uint8_t udmatimings[][2] = { { 0x31, 0xc2 }, { 0x21, 0x82 }, 263 { 0x11, 0x42 }, { 0x25, 0x8a }, 264 { 0x15, 0x4a }, { 0x05, 0x0a } }; 265 266 mode = min(mode, ctlr->chip->max_dma); 267 if (mode >= ATA_UDMA0) { 268 u_int8_t umode = pci_read_config(parent, ureg, 1); 269 270 umode &= ~(target == 0 ? 0x35 : 0xca); 271 umode |= udmatimings[mode & ATA_MODE_MASK][target]; 272 pci_write_config(parent, ureg, umode, 1); 273 piomode = ATA_PIO4; 274 } else { 275 pci_write_config(parent, ureg, 276 pci_read_config(parent, ureg, 1) & 277 ~(target == 0 ? 0x35 : 0xca), 1); 278 piomode = mode; 279 } 280 pci_write_config(parent, treg, piotimings[ata_mode2idx(piomode)], 1); 281 return (mode); 282 } 283 284 static int 285 ata_sii_ch_attach(device_t dev) 286 { 287 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 288 struct ata_channel *ch = device_get_softc(dev); 289 int unit01 = (ch->unit & 1), unit10 = (ch->unit & 2); 290 int i; 291 292 ata_pci_dmainit(dev); 293 294 for (i = ATA_DATA; i <= ATA_COMMAND; i++) { 295 ch->r_io[i].res = ctlr->r_res2; 296 ch->r_io[i].offset = 0x80 + i + (unit01 << 6) + (unit10 << 8); 297 } 298 ch->r_io[ATA_CONTROL].res = ctlr->r_res2; 299 ch->r_io[ATA_CONTROL].offset = 0x8a + (unit01 << 6) + (unit10 << 8); 300 ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2; 301 ata_default_registers(dev); 302 303 ch->r_io[ATA_BMCMD_PORT].res = ctlr->r_res2; 304 ch->r_io[ATA_BMCMD_PORT].offset = 0x00 + (unit01 << 3) + (unit10 << 8); 305 ch->r_io[ATA_BMSTAT_PORT].res = ctlr->r_res2; 306 ch->r_io[ATA_BMSTAT_PORT].offset = 0x02 + (unit01 << 3) + (unit10 << 8); 307 ch->r_io[ATA_BMDTP_PORT].res = ctlr->r_res2; 308 ch->r_io[ATA_BMDTP_PORT].offset = 0x04 + (unit01 << 3) + (unit10 << 8); 309 310 if (ctlr->chip->max_dma >= ATA_SA150) { 311 ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; 312 ch->r_io[ATA_SSTATUS].offset = 0x104 + (unit01 << 7) + (unit10 << 8); 313 ch->r_io[ATA_SERROR].res = ctlr->r_res2; 314 ch->r_io[ATA_SERROR].offset = 0x108 + (unit01 << 7) + (unit10 << 8); 315 ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; 316 ch->r_io[ATA_SCONTROL].offset = 0x100 + (unit01 << 7) + (unit10 << 8); 317 ch->flags |= ATA_NO_SLAVE; 318 ch->flags |= ATA_SATA; 319 ch->flags |= ATA_KNOWN_PRESENCE; 320 321 /* enable PHY state change interrupt */ 322 ATA_OUTL(ctlr->r_res2, 0x148 + (unit01 << 7) + (unit10 << 8),(1 << 16)); 323 } 324 325 if (ctlr->chip->cfg2 & SII_BUG) { 326 /* work around errata in early chips */ 327 ch->dma.boundary = 8192; 328 ch->dma.segsize = 15 * DEV_BSIZE; 329 } 330 331 ata_pci_hw(dev); 332 ch->hw.status = ata_sii_status; 333 if (ctlr->chip->cfg2 & SII_SETCLK) 334 ch->flags |= ATA_CHECKS_CABLE; 335 return 0; 336 } 337 338 static int 339 ata_sii_ch_detach(device_t dev) 340 { 341 342 ata_pci_dmafini(dev); 343 return (0); 344 } 345 346 static int 347 ata_sii_status(device_t dev) 348 { 349 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 350 struct ata_channel *ch = device_get_softc(dev); 351 int offset0 = ((ch->unit & 1) << 3) + ((ch->unit & 2) << 8); 352 int offset1 = ((ch->unit & 1) << 6) + ((ch->unit & 2) << 8); 353 354 /* do we have any PHY events ? */ 355 if (ctlr->chip->max_dma >= ATA_SA150 && 356 (ATA_INL(ctlr->r_res2, 0x10 + offset0) & 0x00000010)) 357 ata_sata_phy_check_events(dev, -1); 358 359 if (ATA_INL(ctlr->r_res2, 0xa0 + offset1) & 0x00000800) 360 return ata_pci_status(dev); 361 else 362 return 0; 363 } 364 365 static void 366 ata_sii_reset(device_t dev) 367 { 368 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 369 struct ata_channel *ch = device_get_softc(dev); 370 int offset = ((ch->unit & 1) << 7) + ((ch->unit & 2) << 8); 371 uint32_t val; 372 373 /* Apply R_ERR on DMA activate FIS errata workaround. */ 374 val = ATA_INL(ctlr->r_res2, 0x14c + offset); 375 if ((val & 0x3) == 0x1) 376 ATA_OUTL(ctlr->r_res2, 0x14c + offset, val & ~0x3); 377 378 if (ata_sata_phy_reset(dev, -1, 1)) 379 ata_generic_reset(dev); 380 else 381 ch->devices = 0; 382 } 383 384 static int 385 ata_sii_setmode(device_t dev, int target, int mode) 386 { 387 device_t parent = device_get_parent(dev); 388 struct ata_pci_controller *ctlr = device_get_softc(parent); 389 struct ata_channel *ch = device_get_softc(dev); 390 int rego = (ch->unit << 4) + (target << 1); 391 int mreg = ch->unit ? 0x84 : 0x80; 392 int mask = 0x03 << (target << 2); 393 int mval = pci_read_config(parent, mreg, 1) & ~mask; 394 int piomode; 395 u_int8_t preg = 0xa4 + rego; 396 u_int8_t dreg = 0xa8 + rego; 397 u_int8_t ureg = 0xac + rego; 398 u_int16_t piotimings[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; 399 u_int16_t dmatimings[] = { 0x2208, 0x10c2, 0x10c1 }; 400 u_int8_t udmatimings[] = { 0xf, 0xb, 0x7, 0x5, 0x3, 0x2, 0x1 }; 401 402 mode = min(mode, ctlr->chip->max_dma); 403 404 if (ctlr->chip->cfg2 & SII_SETCLK) { 405 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 406 (pci_read_config(parent, 0x79, 1) & 407 (ch->unit ? 0x02 : 0x01))) { 408 ata_print_cable(dev, "controller"); 409 mode = ATA_UDMA2; 410 } 411 } 412 if (mode >= ATA_UDMA0) { 413 pci_write_config(parent, mreg, 414 mval | (0x03 << (target << 2)), 1); 415 pci_write_config(parent, ureg, 416 (pci_read_config(parent, ureg, 1) & ~0x3f) | 417 udmatimings[mode & ATA_MODE_MASK], 1); 418 piomode = ATA_PIO4; 419 } else if (mode >= ATA_WDMA0) { 420 pci_write_config(parent, mreg, 421 mval | (0x02 << (target << 2)), 1); 422 pci_write_config(parent, dreg, dmatimings[mode & ATA_MODE_MASK], 2); 423 piomode = (mode == ATA_WDMA0) ? ATA_PIO0 : 424 (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4; 425 } else { 426 pci_write_config(parent, mreg, 427 mval | (0x01 << (target << 2)), 1); 428 piomode = mode; 429 } 430 pci_write_config(parent, preg, piotimings[ata_mode2idx(piomode)], 2); 431 return (mode); 432 } 433 434 435 struct ata_siiprb_dma_prdentry { 436 u_int64_t addr; 437 u_int32_t count; 438 u_int32_t control; 439 } __packed; 440 441 #define ATA_SIIPRB_DMA_ENTRIES 129 442 struct ata_siiprb_ata_command { 443 struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES]; 444 } __packed; 445 446 struct ata_siiprb_atapi_command { 447 u_int8_t ccb[16]; 448 struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES]; 449 } __packed; 450 451 struct ata_siiprb_command { 452 u_int16_t control; 453 u_int16_t protocol_override; 454 u_int32_t transfer_count; 455 u_int8_t fis[24]; 456 union { 457 struct ata_siiprb_ata_command ata; 458 struct ata_siiprb_atapi_command atapi; 459 } u; 460 } __packed; 461 462 static int 463 ata_siiprb_ch_attach(device_t dev) 464 { 465 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 466 struct ata_channel *ch = device_get_softc(dev); 467 int offset = ch->unit * 0x2000; 468 469 ata_siiprb_dmainit(dev); 470 471 /* set the SATA resources */ 472 ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; 473 ch->r_io[ATA_SSTATUS].offset = 0x1f04 + offset; 474 ch->r_io[ATA_SERROR].res = ctlr->r_res2; 475 ch->r_io[ATA_SERROR].offset = 0x1f08 + offset; 476 ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; 477 ch->r_io[ATA_SCONTROL].offset = 0x1f00 + offset; 478 ch->r_io[ATA_SACTIVE].res = ctlr->r_res2; 479 ch->r_io[ATA_SACTIVE].offset = 0x1f0c + offset; 480 481 ch->hw.status = ata_siiprb_status; 482 ch->hw.begin_transaction = ata_siiprb_begin_transaction; 483 ch->hw.end_transaction = ata_siiprb_end_transaction; 484 ch->hw.command = NULL; /* not used here */ 485 ch->hw.softreset = ata_siiprb_softreset; 486 ch->hw.pm_read = ata_siiprb_pm_read; 487 ch->hw.pm_write = ata_siiprb_pm_write; 488 ch->flags |= ATA_NO_SLAVE; 489 ch->flags |= ATA_SATA; 490 return 0; 491 } 492 493 static int 494 ata_siiprb_ch_detach(device_t dev) 495 { 496 497 ata_dmafini(dev); 498 return 0; 499 } 500 501 static int 502 ata_siiprb_status(device_t dev) 503 { 504 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 505 struct ata_channel *ch = device_get_softc(dev); 506 u_int32_t action = ATA_INL(ctlr->r_res1, 0x0044); 507 int offset = ch->unit * 0x2000; 508 509 if (action & (1 << ch->unit)) { 510 u_int32_t istatus = ATA_INL(ctlr->r_res2, 0x1008 + offset); 511 512 /* do we have any PHY events ? */ 513 ata_sata_phy_check_events(dev, -1); 514 515 /* clear interrupt(s) */ 516 ATA_OUTL(ctlr->r_res2, 0x1008 + offset, istatus); 517 518 /* do we have any device action ? */ 519 return (istatus & 0x00000003); 520 } 521 return 0; 522 } 523 524 static int 525 ata_siiprb_begin_transaction(struct ata_request *request) 526 { 527 struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent)); 528 struct ata_channel *ch = device_get_softc(request->parent); 529 struct ata_siiprb_command *prb; 530 struct ata_siiprb_dma_prdentry *prd; 531 int offset = ch->unit * 0x2000; 532 u_int64_t prb_bus; 533 534 /* SOS XXX */ 535 if (request->u.ata.command == ATA_DEVICE_RESET) { 536 request->result = 0; 537 return ATA_OP_FINISHED; 538 } 539 540 /* get a piece of the workspace for this request */ 541 prb = (struct ata_siiprb_command *)ch->dma.work; 542 543 /* clear the prb structure */ 544 bzero(prb, sizeof(struct ata_siiprb_command)); 545 546 /* setup the FIS for this request */ 547 if (!ata_request2fis_h2d(request, &prb->fis[0])) { 548 device_printf(request->parent, "setting up SATA FIS failed\n"); 549 request->result = EIO; 550 return ATA_OP_FINISHED; 551 } 552 553 /* setup transfer type */ 554 if (request->flags & ATA_R_ATAPI) { 555 bcopy(request->u.atapi.ccb, prb->u.atapi.ccb, 16); 556 if (request->flags & ATA_R_ATAPI16) 557 ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000020); 558 else 559 ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000020); 560 if (request->flags & ATA_R_READ) 561 prb->control = htole16(0x0010); 562 if (request->flags & ATA_R_WRITE) 563 prb->control = htole16(0x0020); 564 prd = &prb->u.atapi.prd[0]; 565 } 566 else 567 prd = &prb->u.ata.prd[0]; 568 569 /* if request moves data setup and load SG list */ 570 if (request->flags & (ATA_R_READ | ATA_R_WRITE)) { 571 if (ch->dma.load(request, prd, NULL)) { 572 device_printf(request->parent, "setting up DMA failed\n"); 573 request->result = EIO; 574 return ATA_OP_FINISHED; 575 } 576 } 577 578 /* activate the prb */ 579 prb_bus = ch->dma.work_bus; 580 ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus); 581 ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus>>32); 582 583 /* start the timeout */ 584 callout_reset(&request->callout, request->timeout * hz, 585 (timeout_t*)ata_timeout, request); 586 return ATA_OP_CONTINUES; 587 } 588 589 static int 590 ata_siiprb_end_transaction(struct ata_request *request) 591 { 592 struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent)); 593 struct ata_channel *ch = device_get_softc(request->parent); 594 struct ata_siiprb_command *prb; 595 int offset = ch->unit * 0x2000; 596 int error, timeout; 597 598 /* kill the timeout */ 599 callout_stop(&request->callout); 600 601 prb = (struct ata_siiprb_command *) 602 ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); 603 604 /* any controller errors flagged ? */ 605 if ((error = ATA_INL(ctlr->r_res2, 0x1024 + offset))) { 606 if (bootverbose) 607 printf("ata_siiprb_end_transaction %s error=%08x\n", 608 ata_cmd2str(request), error); 609 610 /* if device error status get details */ 611 if (error == 1 || error == 2) { 612 request->status = prb->fis[2]; 613 if (request->status & ATA_S_ERROR) 614 request->error = prb->fis[3]; 615 } 616 617 /* SOS XXX handle other controller errors here */ 618 619 /* initialize port */ 620 ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000004); 621 622 /* poll for port ready */ 623 for (timeout = 0; timeout < 1000; timeout++) { 624 DELAY(1000); 625 if (ATA_INL(ctlr->r_res2, 0x1008 + offset) & 0x00040000) 626 break; 627 } 628 if (bootverbose) { 629 if (timeout >= 1000) 630 device_printf(ch->dev, "port initialize timeout\n"); 631 else 632 device_printf(ch->dev, "port initialize time=%dms\n", timeout); 633 } 634 } 635 636 /* on control commands read back registers to the request struct */ 637 if (request->flags & ATA_R_CONTROL) { 638 request->u.ata.count = prb->fis[12] | ((u_int16_t)prb->fis[13] << 8); 639 request->u.ata.lba = prb->fis[4] | ((u_int64_t)prb->fis[5] << 8) | 640 ((u_int64_t)prb->fis[6] << 16); 641 if (request->flags & ATA_R_48BIT) 642 request->u.ata.lba |= ((u_int64_t)prb->fis[8] << 24) | 643 ((u_int64_t)prb->fis[9] << 32) | 644 ((u_int64_t)prb->fis[10] << 40); 645 else 646 request->u.ata.lba |= ((u_int64_t)(prb->fis[7] & 0x0f) << 24); 647 } 648 649 /* update progress */ 650 if (!(request->status & ATA_S_ERROR) && !(request->flags & ATA_R_TIMEOUT)) { 651 if (request->flags & ATA_R_READ) 652 request->donecount = le32toh(prb->transfer_count); 653 else 654 request->donecount = request->bytecount; 655 } 656 657 /* release SG list etc */ 658 ch->dma.unload(request); 659 660 return ATA_OP_FINISHED; 661 } 662 663 static int 664 ata_siiprb_issue_cmd(device_t dev) 665 { 666 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 667 struct ata_channel *ch = device_get_softc(dev); 668 u_int64_t prb_bus = ch->dma.work_bus; 669 u_int32_t status; 670 int offset = ch->unit * 0x2000; 671 int timeout; 672 673 /* issue command to chip */ 674 ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus); 675 ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus >> 32); 676 677 /* poll for command finished */ 678 for (timeout = 0; timeout < 10000; timeout++) { 679 DELAY(1000); 680 if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00010000) 681 break; 682 } 683 // SOS XXX ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x00010000); 684 ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x08ff08ff); 685 686 if (timeout >= 1000) 687 return EIO; 688 689 if (bootverbose) 690 device_printf(dev, "siiprb_issue_cmd time=%dms status=%08x\n", 691 timeout, status); 692 return 0; 693 } 694 695 static int 696 ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result) 697 { 698 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 699 struct ata_channel *ch = device_get_softc(dev); 700 struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work; 701 int offset = ch->unit * 0x2000; 702 703 if (port < 0) { 704 *result = ATA_IDX_INL(ch, reg); 705 return (0); 706 } 707 if (port < ATA_PM) { 708 switch (reg) { 709 case ATA_SSTATUS: 710 reg = 0; 711 break; 712 case ATA_SERROR: 713 reg = 1; 714 break; 715 case ATA_SCONTROL: 716 reg = 2; 717 break; 718 default: 719 return (EINVAL); 720 } 721 } 722 bzero(prb, sizeof(struct ata_siiprb_command)); 723 prb->fis[0] = 0x27; /* host to device */ 724 prb->fis[1] = 0x8f; /* command FIS to PM port */ 725 prb->fis[2] = ATA_READ_PM; 726 prb->fis[3] = reg; 727 prb->fis[7] = port; 728 if (ata_siiprb_issue_cmd(dev)) { 729 device_printf(dev, "error reading PM port\n"); 730 return EIO; 731 } 732 prb = (struct ata_siiprb_command *) 733 ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); 734 *result = prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24); 735 return 0; 736 } 737 738 static int 739 ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t value) 740 { 741 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 742 struct ata_channel *ch = device_get_softc(dev); 743 struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work; 744 int offset = ch->unit * 0x2000; 745 746 if (port < 0) { 747 ATA_IDX_OUTL(ch, reg, value); 748 return (0); 749 } 750 if (port < ATA_PM) { 751 switch (reg) { 752 case ATA_SSTATUS: 753 reg = 0; 754 break; 755 case ATA_SERROR: 756 reg = 1; 757 break; 758 case ATA_SCONTROL: 759 reg = 2; 760 break; 761 default: 762 return (EINVAL); 763 } 764 } 765 bzero(prb, sizeof(struct ata_siiprb_command)); 766 prb->fis[0] = 0x27; /* host to device */ 767 prb->fis[1] = 0x8f; /* command FIS to PM port */ 768 prb->fis[2] = ATA_WRITE_PM; 769 prb->fis[3] = reg; 770 prb->fis[7] = port; 771 prb->fis[12] = value & 0xff; 772 prb->fis[4] = (value >> 8) & 0xff; 773 prb->fis[5] = (value >> 16) & 0xff; 774 prb->fis[6] = (value >> 24) & 0xff; 775 if (ata_siiprb_issue_cmd(dev)) { 776 device_printf(dev, "error writing PM port\n"); 777 return ATA_E_ABORT; 778 } 779 prb = (struct ata_siiprb_command *) 780 ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); 781 return prb->fis[3]; 782 } 783 784 static u_int32_t 785 ata_siiprb_softreset(device_t dev, int port) 786 { 787 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 788 struct ata_channel *ch = device_get_softc(dev); 789 struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work; 790 u_int32_t signature; 791 int offset = ch->unit * 0x2000; 792 793 /* setup the workspace for a soft reset command */ 794 bzero(prb, sizeof(struct ata_siiprb_command)); 795 prb->control = htole16(0x0080); 796 prb->fis[1] = port & 0x0f; 797 798 /* issue soft reset */ 799 if (ata_siiprb_issue_cmd(dev)) 800 return -1; 801 802 ata_udelay(150000); 803 804 /* get possible signature */ 805 prb = (struct ata_siiprb_command *) 806 ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); 807 signature=prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24); 808 809 /* clear error bits/interrupt */ 810 ATA_IDX_OUTL(ch, ATA_SERROR, 0xffffffff); 811 812 return signature; 813 } 814 815 static void 816 ata_siiprb_reset(device_t dev) 817 { 818 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 819 struct ata_channel *ch = device_get_softc(dev); 820 int offset = ch->unit * 0x2000; 821 u_int32_t status, signature; 822 int timeout; 823 824 /* disable interrupts */ 825 ATA_OUTL(ctlr->r_res2, 0x1014 + offset, 0x000000ff); 826 827 /* reset channel HW */ 828 ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000001); 829 DELAY(1000); 830 ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000001); 831 DELAY(10000); 832 833 /* poll for channel ready */ 834 for (timeout = 0; timeout < 1000; timeout++) { 835 if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00040000) 836 break; 837 DELAY(1000); 838 } 839 840 if (bootverbose) { 841 if (timeout >= 1000) 842 device_printf(dev, "channel HW reset timeout\n"); 843 else 844 device_printf(dev, "channel HW reset time=%dms\n", timeout); 845 } 846 847 /* reset phy */ 848 if (!ata_sata_phy_reset(dev, -1, 1)) { 849 if (bootverbose) 850 device_printf(dev, "phy reset found no device\n"); 851 ch->devices = 0; 852 goto finish; 853 } 854 855 /* issue soft reset */ 856 signature = ata_siiprb_softreset(dev, ATA_PM); 857 if (bootverbose) 858 device_printf(dev, "SIGNATURE=%08x\n", signature); 859 860 /* figure out whats there */ 861 switch (signature >> 16) { 862 case 0x0000: 863 ch->devices = ATA_ATA_MASTER; 864 break; 865 case 0x9669: 866 ch->devices = ATA_PORTMULTIPLIER; 867 ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x2000); /* enable PM support */ 868 //SOS XXX need to clear all PM status and interrupts!!!! 869 ata_pm_identify(dev); 870 break; 871 case 0xeb14: 872 ch->devices = ATA_ATAPI_MASTER; 873 break; 874 default: 875 ch->devices = 0; 876 } 877 if (bootverbose) 878 device_printf(dev, "siiprb_reset devices=%08x\n", ch->devices); 879 880 finish: 881 /* clear interrupt(s) */ 882 ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x000008ff); 883 884 /* require explicit interrupt ack */ 885 ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000008); 886 887 /* 64bit mode */ 888 ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000400); 889 890 /* enable interrupts wanted */ 891 ATA_OUTL(ctlr->r_res2, 0x1010 + offset, 0x000000ff); 892 } 893 894 static void 895 ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 896 { 897 struct ata_dmasetprd_args *args = xsc; 898 struct ata_siiprb_dma_prdentry *prd = args->dmatab; 899 int i; 900 901 if ((args->error = error)) 902 return; 903 904 for (i = 0; i < nsegs; i++) { 905 prd[i].addr = htole64(segs[i].ds_addr); 906 prd[i].count = htole32(segs[i].ds_len); 907 } 908 prd[i - 1].control = htole32(ATA_DMA_EOT); 909 KASSERT(nsegs <= ATA_SIIPRB_DMA_ENTRIES,("too many DMA segment entries\n")); 910 args->nsegs = nsegs; 911 } 912 913 static void 914 ata_siiprb_dmainit(device_t dev) 915 { 916 struct ata_channel *ch = device_get_softc(dev); 917 918 ata_dmainit(dev); 919 /* note start and stop are not used here */ 920 ch->dma.setprd = ata_siiprb_dmasetprd; 921 ch->dma.max_address = BUS_SPACE_MAXADDR; 922 ch->dma.max_iosize = (ATA_SIIPRB_DMA_ENTRIES - 1) * PAGE_SIZE; 923 } 924 925 ATA_DECLARE_DRIVER(ata_sii); 926